inst.sh

This is to bulid a sample linux shell.

#create executables of commands implemented
cc -o cat cat.c
cc -o cp cp.c
cc -o date date.c
cc -o decho decho.c
cc -o ln ln.c
cc -o rename rename.c
cc -o rm rm.c
cc -o wc wc.c
cc -o sleep sleep.c
cc -o ls ls.c
cc -o man man.c
cc -o mkdir mkdir.c
cc -o pwd pwd.c
cc -o rmdir rmdir.c
cc -o fattr fattr.c
cc -o shell shell.c